Cr,Er:YAG

CRYLINK’s Cr, Er:YAG is a laser crystal product with excellent comprehensive performance. It is widely used in laser medical cosmetology, xenon lamp pumping, and other fields. The product has high single-pulse energy, good optical quality, and low absorption loss. It can be used in mid-infrared lasers, xenon lamp pump lasers, and 2940 nm laser products.

Product Parameters

MATERIAL SPECIFICATIONS

Directional	[100] or [100] <± 0.5^。
Parallelity	10〞
Perpendicularity	5ˊ
Surface Finish	5-Oct
Wavefront Distortion	<λ/8@632 nm
Surface Flatness	<λ/10@632.8nm
Clear Aperture	>90%
Chamfer	0.1mm@45°
Thickness/Diameter Tolerance	±0.05 mm
Size	Diameter:2mm-50mm,Length:5mm-180mm
Coating	< 0.25% @ 2940 nm

Physical and chemical PROPERTIES

Crystal Structure	Cubic–la3d
Lattice Constant	12.01 Å
Density	4.56 g/cm³
Melting Point	1950℃
Thermal Conductivity/(W·m^-1·K^-1 @ 25℃)	0.14 W
Specific Heat/(J·g^-1·K^-1)	0.59
Thermal expansion/(10^-6·K^-1 @ 25℃)	[100] orientation–8.2
	[110] orientation–7.7
	[111] orientation–7.8
Hardness (Mohs)	8.5
Yang’s Modulus/ GPa	317
Shear Modulus / Gpa	54.66
Extinction Ratio	25 dB
Poisson Ratio	0.25